22-27 September 2016
East Lake International Conference Center
Asia/Chongqing timezone
<a href="http://hp2016.ccnu.edu.cn">http://hp2016.ccnu.edu.cn</a>

Jet Substructure through Splitting Functions in pp and PbPb collisions with CMS

25 Sep 2016, 10:40
20m
Xiang-Yang Hall (East Lake International Conference Center)

Xiang-Yang Hall

East Lake International Conference Center

Donghu Road 142, Wuchang District, Wuhan, Hubei, China

Speaker

Marta Verweij (CERN)

Description

A measurement of the hardest splitting of a parton with high transverse momentum in proton-proton and PbPb collisions at a center-of-mass energy of 5.02 TeV with the CMS detector is presented. For this analysis, a jet grooming technique is used to isolate the large scale structure of the jet. The measurement of this hard splitting probes the virtuality evolution of a parton in the medium, as well as the role of (de)coherent gluon emitters. The splitting functions in PbPb collisions are measured as function of the transverse momentum of the jet and collision centrality and are compared with the reference spectra from pp collisions.

Presentation type Oral

Primary author

Marta Verweij (CERN)

Presentation Materials

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